CN205006900U - Diagnosis type audiometer - Google Patents
Diagnosis type audiometer Download PDFInfo
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- CN205006900U CN205006900U CN201520691160.5U CN201520691160U CN205006900U CN 205006900 U CN205006900 U CN 205006900U CN 201520691160 U CN201520691160 U CN 201520691160U CN 205006900 U CN205006900 U CN 205006900U
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- circuit
- sonometer
- control circuit
- diagnosis type
- volume control
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Abstract
The utility model discloses a diagnosis type audiometer, including power supply circuit, main chip circuit, sound source circuit, audio input circuit, audio frequency switching circuit, volume control circuit, preamp circuit, back level amplifier circuit, control circuit, output switching circuit and output interface, main chip circuit switches circuit connection with power supply circuit, sound source circuit, audio frequency switching circuit, volume control circuit, control circuit and output respectively, audio frequency switching circuit harmony source circuit, audio input circuit and volume control circuit is respectively connected, volume control circuit establishes ties with preamp circuit, back level amplifier circuit, output switching circuit and output interface in proper order. Beneficial effect: it is economical and practical, the sexual valence relative altitude, the accuracy is high during the diagnosis, according with the ergonomics design and making the operation very convenient, the operation is very quick, convenient, data automatic conveying can carry out the hearing analysis report to the computer in by oneself.
Description
Technical field
This utility model belongs to sonometer field, particularly a kind of diagnosis type sonometer.
Background technology
Sonometer is the common equipment of subtest audition, and medically often use sonometer to check audition and measure the loss of audition, the degree of hearing loss weighs with the decibels lower than normal threshold.Audiometrist can evaluate the audition of a people.Therefore, it is absolutely necessary instrument in hearing protection work.
Application number be 201320666202.0 Chinese utility model patent disclose a kind of sonometer, it comprises housing, PCB is provided with in housing, PCB is provided with the audio-frequency signal processing module with its electric connection, bluetooth module, left conductance earphone interface, right conductance earphone interface, osophone interface, MIC interface and power interface, housing is provided with the on and off switch and switch indication light that are electrically connected with PCB, housing is also provided with to left conductance earphone interface, right conductance earphone interface, osophone interface, the slotted eye of MIC interface and power interface difference correspondence.Disclosed sonometer is few on the low side in function at present, and test accuracy is also lower.
Utility model content
For the deficiencies in the prior art, the utility model discloses a kind of economical and practical, sonometer that cost performance is high, diagnosis type sonometer that degree of accuracy is high.
Diagnosis type sonometer disclosed in this utility model, comprise power circuit, master chip circuit, sounding circuit, audio input circuit, frequency switch circuit, volume control circuit, preamplifying circuit, rear class amplifying circuit, control circuit, output switching circuit and output interface, described master chip circuit respectively with power circuit, sounding circuit, frequency switch circuit, volume control circuit, control circuit is connected with output switching circuit, described frequency switch circuit respectively and sounding circuit, audio input circuit is connected with volume control circuit, described volume control circuit and preamplifying circuit, rear class amplifying circuit, output switching circuit and output interface are connected successively.
Improve as one of the present utility model, described audio input circuit comprises microphone circuit and monitoring circuit, and described microphone circuit is connected with frequency switch circuit respectively with monitoring circuit.
Improve as one of the present utility model, described control circuit comprises touch circuit and key circuit, and described touch circuit is connected with master chip circuit respectively with key circuit.
Improve as one of the present utility model, also comprise LCD display, described LCD display is connected with master chip circuit.
Improve as one of the present utility model, also comprise USB joint, described USB joint is connected with master chip circuit.
Improve as one of the present utility model, described USB joint is connected with computer.
Improve as one of the present utility model, also comprise responder, described responder is connected with master chip circuit.
Improve as one of the present utility model, described output interface is connected with external equipment.
Improve as one of the present utility model, described external equipment comprises the gentle guide lug machine of osophone, and the gentle guide lug machine of described osophone is connected with output interface respectively.
Generally speaking this utility model has following beneficial effect:
1, economical and practical, the sonometer that cost performance is high can be used for inspection, the diagnosis that the mechanisms such as hospital, school, industrial and mining establishment, army, driving school, rehabilitation center and deaf youngster training carry out hearing loss;
2, during diagnosis, degree of accuracy is high;
3, meeting ergonomic design makes operation very convenient, and very fast, conveniently, operating process is very simple, directly perceived, can clearly illustrate the state of test in operation; Button and responder are the type of low noise; Button is quick on the draw, and is connected with display lamp, guarantees to operate zero defect.Sound levels, frequency and out of Memory are all clearly illustrated on display screen; Language in-put signal can be provided by internal or external microphone;
4, data are automatically transferred in computer, the USB interface of standard, stable compared with the RS232 serial line interface of other sonometers, convenient, automatically test result can be transferred to computer, can carry out auditory analysis report voluntarily.
Accompanying drawing explanation
Fig. 1 this utility model diagnosis type sonometer schematic diagram;
Wherein: 1-power circuit, 2-master chip circuit, 3-sounding circuit, 4-audio input circuit, 5-frequency switch circuit, 6-volume control circuit, 7-preamplifying circuit, 8-rear class amplifying circuit, 9-control circuit, 10-LCD display, 11-output switching circuit, 12-output interface, 13-USB joint, 14-external equipment, 15-responder.
Detailed description of the invention
Below in conjunction with accompanying drawing, the utility model is described in further detail.
As shown in Figure 1, diagnosis type sonometer, comprises power circuit 1, master chip circuit 2, sounding circuit 3, audio input circuit 4, frequency switch circuit 5, volume control circuit 6, preamplifying circuit 7, rear class amplifying circuit 8, control circuit 9, output switching circuit 11, output interface 12, USB joint 13, external equipment 14 and responder 15.
As shown in Figure 1, master chip circuit 2 is connected with power circuit 1, sounding circuit 3, frequency switch circuit 5, volume control circuit 6, control circuit 9, LCD display 10, output switching circuit 11, USB joint 13 and responder 15 respectively, described frequency switch circuit 5 is connected with volume control circuit 6 with sounding circuit 3, audio input circuit 4 respectively, and described volume control circuit 6 is connected with preamplifying circuit 7, rear class amplifying circuit 8, output switching circuit 11 and output interface 12 is connected; Wherein audio input circuit 4 comprises microphone circuit and monitoring circuit, and described microphone circuit and monitoring circuit are connected with frequency switch circuit 5 respectively, and certain audio input circuit 4 also can comprise other circuit for sound import; Control circuit 9 comprises and touches circuit and key circuit, and described touch circuit is connected with master chip circuit 2 respectively with key circuit, touches that circuit is corresponding with touching device to be arranged simultaneously, and key circuit is corresponding with key device; Described USB joint 13 is connected with computer, hearing test result can be transferred to computer, carry out auditory analysis voluntarily, obtains auditory analysis report; Described output interface 12 is connected with external equipment 14; Described external equipment 14 comprises the gentle guide lug machine of osophone, and the gentle guide lug machine of described osophone is connected with output interface 12 respectively.
Here is the test result of diagnosis type sonometer disclosed in this utility model:
By the reading comprehension of above-mentioned detailed description of the invention, those skilled in the art easily can realize this utility model.Content in above-mentioned detailed description of the invention is only schematic, is not to provide for restriction object.Although be described in detail in conjunction with the specific embodiments and illustrated, to one skilled in the art, obviously under the prerequisite not departing from this utility model spirit, various modifications and variations can be made to this utility model.For making this utility model be effectively protected, this utility model appending claims will attempt the technical scheme covering all various modifications and variations fallen within this utility model spirit.
Claims (9)
1. diagnosis type sonometer, comprise power circuit (1), master chip circuit (2), sounding circuit (3), audio input circuit (4), frequency switch circuit (5), volume control circuit (6), preamplifying circuit (7), rear class amplifying circuit (8), control circuit (9), output switching circuit (11) and output interface (12), described master chip circuit (2) respectively with power circuit (1), sounding circuit (3), frequency switch circuit (5), volume control circuit (6), control circuit (9) is connected with output switching circuit (11), described frequency switch circuit (5) respectively with sounding circuit (3), audio input circuit (4) is connected with volume control circuit (6), described volume control circuit (6) and preamplifying circuit (7), rear class amplifying circuit (8), output switching circuit (11) and output interface (12) are connected successively.
2. diagnosis type sonometer according to claim 1, is characterized in that: described audio input circuit (4) comprises microphone circuit and monitoring circuit, and described microphone circuit and monitoring circuit are connected with frequency switch circuit (5) respectively.
3. diagnosis type sonometer according to claim 1, is characterized in that: described control circuit (9) comprises touch circuit and key circuit, and described touch circuit and key circuit are connected with master chip circuit (2) respectively.
4. diagnosis type sonometer according to claim 1, is characterized in that: also comprise LCD display (10), and described LCD display (10) is connected with master chip circuit (2).
5. diagnosis type sonometer according to claim 1, is characterized in that: also comprise USB joint (13), and described USB joint (13) is connected with master chip circuit (2).
6. diagnosis type sonometer according to claim 5, is characterized in that: described USB joint (13) is connected with computer.
7. diagnosis type sonometer according to claim 1, is characterized in that: also comprise responder (15), and described responder (15) is connected with master chip circuit (2).
8. diagnosis type sonometer according to claim 1, is characterized in that: described output interface (12) is connected with external equipment (14).
9. diagnosis type sonometer according to claim 8, is characterized in that: described external equipment (14) comprises the gentle guide lug machine of osophone, and the gentle guide lug machine of described osophone is connected with output interface (12) respectively.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520691160.5U CN205006900U (en) | 2015-09-07 | 2015-09-07 | Diagnosis type audiometer |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520691160.5U CN205006900U (en) | 2015-09-07 | 2015-09-07 | Diagnosis type audiometer |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205006900U true CN205006900U (en) | 2016-02-03 |
Family
ID=55205536
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520691160.5U Active CN205006900U (en) | 2015-09-07 | 2015-09-07 | Diagnosis type audiometer |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN205006900U (en) |
-
2015
- 2015-09-07 CN CN201520691160.5U patent/CN205006900U/en active Active
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant |